The utility model relates to an antiskid formula crank that falls, including the cylinder socket, horizontal crank connecting rod is adorned at the lower end of hookup dabber admittedly to the coaxial rigid coupling of terminal surface hookup dabber under the socket, adorns the crank handle perpendicularly admittedly at the right side of crank connecting rod tip, around the fixed connecting rod of hookup dabber pivoted, admittedly adorns fixed handle at the left side tip of fixed connecting rod through wearing the dress at the hookup spindle, in addition, installs the bearing on fixed connecting rod right side tip is bored a hole, and the hookup dabber is worn the dress and is put in the bearing. The utility model discloses can ensure and can not take place the crank landing condition when the operation dolly, reduce the separation time of sound contact, prevent to take place for a long time electric discharge phenomena, do benefit to the insulation level and the operator's of support equipment personal safety, eliminate personal equipment potential safety hazard.